Intro to Myology

Question 1

Muscles move the body by either ____, or ____.

Answer 1

Making the muscle move or allowing it to

Question 2

What connects muscles to bones?

Answer 2

Tendons

Question 3

The connection between a muscle and a tendon is called…

Answer 3

Musculotendinous junction (MTJ)

Question 4

The connection between a tendon and a bone is called…

Answer 4

Tendoperiosteal junction

Question 5

What is the belly of the muscle?

Answer 5

The central portion of the muscle

Question 6

What is the head of the muscle?

Answer 6

one of two (at least) extensions from a muscle belly.

Question 7

What is a concentric contraction?

Answer 7

• tension is greater than the resistance

- undergoes shortening

Question 8

When two attachments become closer together, it is a ____ contraction.

Answer 8

Concentric

Question 9

What is an isometric contraction?

Answer 9

-muscle contracts against a resistance with no visible change in the muscle length

Question 10

When two attachments are neither pulled together, or drawn apart, it is undergoing a ___ contraction.

Answer 10

Isometric

Question 11

What is an eccentric contraction?

Answer 11

• when a muscle is generating a force, but is unable to overcome it
• undergoes lengthening

Question 12

When two muscle attachments are moving away from each other, it is an ___ contraction.

Answer 12

Eccentric

Question 13

This contraction is used to control movements or to act as a brake to movement.

Answer 13

Eccentric

Question 14

The attachment that is fixed is known as ___

Answer 14

the origin

Question 15

The attachment that is moving is known as ___

Answer 15

the insertion

Question 16

What can be used as a reference to a fixed attachment?

Answer 16

proximal/distal, superior/inferior, medial/lateral, anterior/posterior

Question 17

The primary muscle causing the desired movement is called ______.
Ex. Quads for knee extension
Ex. Hamstrings for flexion of the knee

Answer 17

Prime Mover

Question 18

The muscle that opposes a specific action is the _____.

Answer 18

Antagonist

Question 19

What are stabilizers?

Answer 19

Muscles that stabilize the more proximal joints during actions of more distal joints.

Question 20

What are synergists?

Answer 20

The muscles that work to assist the prime mover in a given action

Question 21

If there is a problem with the agonist or it needs extra assistance, ____ kicks in.

Answer 21

Synergists

Question 22

What is fascia?

Answer 22

Connective tissue that runs through the body

Question 23

What does fascia do?

Answer 23

Provides structure and support.

Question 24

This is a connective tissue that invests throughout the thigh and surrounds the thigh muscle in a dense tubular sheath.

Answer 24

Fascia Lata: Fascia of the thigh

Question 25

Gerdy’s tubercle A.K.A

Answer 25

Lateral Tibial Tubercle

Question 26

______ is a very strong part of the fascia lata that thickens laterally

Answer 26

Iliotibial Band (IT band)

Question 27

Where does the IT band attach?

Answer 27

superiorly to the tubercle of the iliac crest and inferiorly to Gerdy’s tubercle and the patella.